222740008 has 8 divisors (see below), whose sum is σ = 417637530. Its totient is φ = 111370000.

The previous prime is 222739939. The next prime is 222740017. The reversal of 222740008 is 800047222.

222740008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 148401124 + 74338884 = 12182^2 + 8622^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×222740008² = 99226222327680128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13921243 + ... + 13921258.

Almost surely, 2^222740008 is an apocalyptic number.

It is an amenable number.

222740008 is a deficient number, since it is larger than the sum of its proper divisors (194897522).

222740008 is a wasteful number, since it uses less digits than its factorization.

222740008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27842507 (or 27842503 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 222740008 is about 14924.4768082503. The cubic root of 222740008 is about 606.1769389690.

The spelling of 222740008 in words is "two hundred twenty-two million, seven hundred forty thousand, eight".